194     pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
226     pub fn deserialize<'de, D>(d: D) -> Result<DateTime<Utc>, D::Error>  in deserialize()
339     pub fn serialize<S>(opt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
371     pub fn deserialize<'de, D>(d: D) -> Result<Option<DateTime<Utc>>, D::Error>  in deserialize()
478     pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
508     pub fn deserialize<'de, D>(d: D) -> Result<DateTime<Utc>, D::Error>  in deserialize()
615     pub fn serialize<S>(opt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
645     pub fn deserialize<'de, D>(d: D) -> Result<Option<DateTime<Utc>>, D::Error>  in deserialize()
752     pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
782     pub fn deserialize<'de, D>(d: D) -> Result<DateTime<Utc>, D::Error>  in deserialize()
882     pub fn serialize<S>(opt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
923     pub fn deserialize<'de, D>(d: D) -> Result<Option<DateTime<Utc>>, D::Error>  in deserialize()
1021     pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
1048     pub fn deserialize<'de, D>(d: D) -> Result<DateTime<Utc>, D::Error>  in deserialize()
1137     pub fn serialize<S>(opt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>  in serialize()
1167     pub fn deserialize<'de, D>(d: D) -> Result<Option<DateTime<Utc>>, D::Error>  in deserialize()